Commitments and Contingencies - Additional Information (Detail) $ in Millions	11 Months Ended	12 Months Ended
	Oct. 02, 2015 USD ($) Person	Oct. 31, 2014 USD ($)	Oct. 25, 2013 USD ($)	Mar. 05, 2014 USD ($)	Jul. 26, 2013 USD ($)
Contingent Liabilities [Line Items]
Rental expense for operating leases for engineering, selling, administrative and manufacturing	$ 18.6	$ 18.1	$ 17.0
Environmental Exit Costs, Assets Previously Disposed, Liability for Remediation	$ 1.6	$ 1.5
Consent agreement term	The Consent Agreement has a three-year term and provides for: (i) a payment of $20 million, $10 million of which is suspended and eligible for offset credit based on verified expenditures for past and future remedial compliance measures; (ii) the appointment of an external Special Compliance Official to oversee compliance with the Consent Agreement and the ITAR; (iii) two external audits of the Company’s ITAR compliance program; and (iv) continued
Total penalty proposed by DDTC Office of Compliance				$ 20.0
Penalty suspended and eligible for offset credit				$ 10.0
Estimated and recorded charge					$ 10.0
Paid and Recorded in March 2014					4.0
Paid and Recorded in February 2015					2.0
Estimated and to be paid in March 2016					2.0
Estimated and to be paid March 2017					$ 2.0
US
Contingent Liabilities [Line Items]
Number of employees represented by various labor union | Person	571
Percentage of employees represented by labor unions	12.50%